Statement I ; Decomposition sodium nitrate is a redox reaction.Statement II ; Formation of calcium carbonate from calcium oxide and carbon dioxide is a redox reaction. - Sri Chaitanya Infinity Learn Best Online Courses for NCERT Solutions, CBSE, ICSE, JEE, NEET, Olympiad and Class 6 to 12

A
Both statements I and II are correct
B
Statement I is correct and statement II is incorrect
C
Statement I is incorrect and statement II is correct
D
Both statements I and II are incorrect

Solution:

$\overset{+ 2}{Ca} O + \overset{+ 4}{C} O_{2} \to \overset{+ 2}{Ca} \overset{+ 4}{C} O_{3} . . . . not a redox reaction; 2 Na \overset{+ 5}{N} O_{3} \to 2 Na \overset{+ 3}{N} O_{2} + \overset{0}{O_{2}} . . . . . . . . . a redox reaction;$

Statement I ; Decomposition sodium nitrate is a redox reaction.
Statement II ; Formation of calcium carbonate from calcium oxide and carbon dioxide is a redox reaction.

Solution:

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